Key result
High-dose dipyridamole echocardiography test induced ST segment depression in 30% of hypertensive patients, which was associated with a significantly higher left ventricular mass index (160.2 vs 129.2 g/m2; P<0.02).
Why the study?
Does high-dose dipyridamole echocardiography test identify ischemic-like ST segment depression in asymptomatic hypertensive patients?
Population
60 patients with mild to moderate asymptomatic essential arterial hypertension, in pharmacologic washout…
Design
Cross-sectional
Authors
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Does not support routine dipyridamole testing in asymptomatic hypertension; hypothesis-generating for microvascular links to LV mass, needing prospective validation.
Cross-Sectional (n=60)
Does high-dose dipyridamole echocardiography test identify ischemic-like ST segment depression in asymptomatic hypertensive patients?
In asymptomatic hypertensive patients, dipyridamole-induced ST segment depression is associated with higher left ventricular mass index and longer hypertension duration, suggesting microvascular dysfunction or structural changes.
Gulizia et al. (1994) conducted a cross-sectional in Mild to moderate asymptomatic essential arterial hypertension (n=60). High-dose dipyridamole echocardiography test (DET) was evaluated on ST segment depression > 1.0 mV during DET. High-dose dipyridamole echocardiography test induced ST segment depression in 30% of hypertensive patients, which was associated with a significantly higher left ventricular mass index (160.2 vs 129.2 g/m2; P<0.02).
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